the402 x402 endpoint directory

MCP servers, called rather than listed · we called 16,923 of them · search their tools

Every x402 endpoint we can find, each one called to see what it actually answers and what it quotes. Other directories list what providers claim. This one reports what the endpoint did when we asked it, and says plainly where we could not tell.

Last verified 2026-10-13. We parse the payment challenge, we do not complete a payment.

EndpointStatusPriceNetworkSpecChecked
api.magentlab.com calc cahp
Maupain 2016 CAHP nomogram after OHCA. Integer points from age, home vs public arrest, shockable vs non-shockable rhyt
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc utrs
Webb 2022 Table 6 simplified score for 14-day hospitalization and 28-day mortality. Age decade lookup 0-10=0.5 through
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc vaco
King 2020 VACO Index logistic 30-day all-cause mortality from age, sex, caller-assigned unadjusted Charlson comorbidit
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc sex_shock
Wang 2024 SEX-SHOCK Supplementary Table S13 sex-specific integer nomogram for in-hospital cardiogenic shock after ACS
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pcp_hf
Khan 2019 PCP-HF 10-year incident heart-failure percent for age 30-79 from sex, caller-assigned white or black cohort,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc grobman_vbac
Grobman 2007 first prenatal visit logistic probability of vaginal birth after cesarean from maternal age, prepregnancy
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc chosen
Levine 2020 CHOSEN (COVID Home Safely Now): age 18-45 +5, 46-59 +2, 60-73 +1, >73 +0; SpO2 <94 +0, 94-96 +9, 97-98 +14
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc grace
Granger 2003 in-hospital GRACE 1.0: integer nomogram points from age, heart rate, systolic BP, creatinine (mg/dL or µm
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc gwtg_hf
Peterson 2010 GWTG-HF Figure 2 integer points for in-hospital mortality in hospitalized heart failure: age 0-28, systo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ascvd_pce
Goff 2013 ACC/AHA pooled-cohort 10-year hard ASCVD percent for age 40-79 from sex, caller-assigned white or african_am
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ausdrisk
Chen 2010 AUSDRISK Box 3 waist model (not BMI). Male 3; age 18-34 0, 35-44 2, 45-54 4, 55-64 6, >=65 8; ancestry atsi_
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc car_olt
VanWagner 2017 CAR-OLT integer points (Table 3) for 1-year CVD complication after first orthotopic liver transplant: a
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc licurse
Licurse 2010 AKI hydronephrosis points: history of hydronephrosis +4; nonblack (black=false) +1; recurrent UTI +1; obs
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc webster
Webster 1968 rating scale: ten caller-assigned integers 0-3 (bradykinesia, rigidity, posture, upper_extremity_swing, g
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc stone_score
Moore 2014 STONE score for ED prediction of uncomplicated ureteral stone. Table 3 integer points: sex female 0 male 2;
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc impede_vte
Sanfilippo 2019 IMPEDE VTE for multiple myeloma: IMiD 4, BMI>=25 1, pelvic/hip/femur fracture 4, ESA 1, doxorubicin 3,
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mdrd
IDMS 4-variable MDRD eGFR (Levey 2006) from standardized creatinine, adult age, sex, and caller-assigned Black. magent
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pars
Biagini Myers 2019 Pediatric Asthma Risk Score (PARS). Table III weights (OR rounded to nearest integer): parental ast
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc sickle_rbc_exchange
Nadler 1962 adult blood volume plus exponential remaining-fraction washout (Y/Y0 = e^(−X)) for sickle RBC exchange rep
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc dli_volume
Shi 2020 donor whole-blood liters to process for a CD3+ DLI target: (recipient_weight_kg × cd3_target_per_kg × num_inf
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc impact
Steyerberg 2008 IMPACT prognostic score for 6-month mortality and unfavorable outcome after traumatic brain injury. mo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc kim_meldna
Kim 2008 NEJM MELD-Na from creatinine, bilirubin, INR, sodium, and dialysis. Then-current UNOS MELD: dialysis sets cre
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc igan_predict
Barbour 2019 race-free full IgAN model: 5-year risk of 50% eGFR decline or ESKD from age, eGFR, MAP, proteinuria g/day
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc prevent
Khan 2024 AHA PREVENT base 10-year total CVD percent (ASCVD plus heart failure) for age 30-79 from sex, lipids, treate
answers 402 $0.005 base v2 GET 37d ago
api.magentlab.com calc neonatal_eos
Puopolo 2011 neonatal early-onset sepsis prior at birth (≥34 weeks) from maternal temperature, gestational age, ROM, G
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc score2_diabetes
ESC 2023 SCORE2-Diabetes 10-year fatal plus non-fatal CVD percent for type 2 diabetes, age 40-79, from sex, smoking, s
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc score2_op
ESC 2021 SCORE2-OP 10-year fatal plus non-fatal CVD percent for age 70-89 from sex, current smoking, diabetes, systoli
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc caroc
CAROC 2010 10-year MOF category from age, sex, femoral-neck T-score, and fragility or glucocorticoid flags. Basal low/
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mrc_icu
Gwynn 2019 MRC-ICU: 39 printed ICU medication and device items (1, 2, or 3 points). Multiplier classes are weight × th
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc pbsc_collection
Rosenbaum 2012 predicted daily CD34+ leukapheresis yield: (peripheral_cd34_per_ul * 0.30 / weight_kg) * processed_volu
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ohts
OHTS-EGPS 2007 Table 6: 5-year primary open-angle glaucoma risk in untreated ocular hypertension from age, mean IOP (m
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc score2
ESC 2021 SCORE2 10-year fatal plus non-fatal CVD percent for age 40-69 from sex, current smoking, systolic BP, non-HDL
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hfa_icos_myeloma
Lyon 2020 HFA-ICOS baseline CV risk before proteasome inhibitors and immunomodulatory drugs for multiple myeloma. Retu
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hfa_icos_bcr_abl
Lyon 2020 HFA-ICOS baseline cardiovascular risk before second- or third-generation multi-targeted kinase inhibitors fo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hfa_icos_raf_mek
Lyon 2020 HFA-ICOS baseline CV risk before combination RAF and MEK inhibitors. Very high if heart failure or cardiomyo
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hfa_icos_vegf
Lyon 2020 HFA-ICOS baseline CV risk before VEGF inhibitors or VEGF TKIs. Very high if heart failure/cardiomyopathy or
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc hfa_icos_her2
Lyon 2020 HFA-ICOS baseline cardiovascular risk before HER2-targeted therapy (trastuzumab and related agents). Very hi
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc oocyte_live_birth
Goldman 2017 counseling for elective mature-oocyte cryopreservation. Autologous: thaw survival 0.95 if age <36 else 0.
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc aap_pediatric_bp
AAP 2017 Flynn Table 3 pediatric BP category (normal, elevated, stage_1, stage_2) from age 1-17 and cuff mm Hg. Age ≥1
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc nice_pediatric_iv
NICE NG29 (2015, updated 2020) pediatric IV maintenance for children and young people: Holliday–Segar daily 100/50/20
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc nice_iv_maintenance
NICE CG174 adult hospital routine maintenance: 20, 25, or 30 mL/kg/day water times dosing weight, about 1 mmol/kg/day
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc periop_doac
Douketis 2022 ACCP elective perioperative DOAC interruption (PAUSE-style, recommendations 22-25). Returns hold_days_be
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc mcdonald_2024
2024 McDonald typical CIS (Montalban 2025). mcdonald_ms iff typical_cis and no_better_explanation and: ≥2 attacks with
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ivt_contraindications
Powers 2018 Table 6 Class III Harm IVT. contraindicated iff any of 15 caller flags: CT ICH; recent ischemic stroke, se
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc he_macs
Alghamdi 2019 HE-MACS ACS probability from age, sex, caller-assigned observed sweating, acute ECG ischaemia, right-arm
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc kdigo_aki
KDIGO 2012 Table 2 AKI stage 0-3 from baseline and current creatinine in mg/dL and a caller-assigned urine-output cate
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc neonatal_partial_exchange
Partial-exchange volume from Kumar 2004: volume_ml = (actual_hct_percent - 55) / actual_hct_percent * blood_volume_ml.
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc intrauterine_rbc
Mandelbrot 1988 intrauterine RBC transfusion volume: fetoplacental_volume_ml = 1.046 + estimated_fetal_weight_g * 0.14
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc ed_buprenorphine
ED-initiated buprenorphine milligrams from D'Onofrio 2015 (JAMA; PMID 25919527): dose_mg is 8 on protocol day 1 and 16
answers 402 $0.005 base v2 POST 37d ago
api.magentlab.com calc acetylcysteine_iv
Intravenous acetylcysteine milligrams from weight (Prescott 1979). load_mg = weight_kg * 150 over 15 minutes; infusion
answers 402 $0.005 base v2 POST 37d ago
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